EP0078185B1 - Rundfunk-Datenpakete-Empfänger - Google Patents

Rundfunk-Datenpakete-Empfänger Download PDF

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Publication number
EP0078185B1
EP0078185B1 EP82401848A EP82401848A EP0078185B1 EP 0078185 B1 EP0078185 B1 EP 0078185B1 EP 82401848 A EP82401848 A EP 82401848A EP 82401848 A EP82401848 A EP 82401848A EP 0078185 B1 EP0078185 B1 EP 0078185B1
Authority
EP
European Patent Office
Prior art keywords
data
input
output
circuit
memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP82401848A
Other languages
English (en)
French (fr)
Other versions
EP0078185A3 (en
EP0078185A2 (de
Inventor
Yves Maurice Noirel
Jean-Claude Vardo
Gérard Chevee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telediffusion de France ets Public de Diffusion
Original Assignee
Telediffusion de France ets Public de Diffusion
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telediffusion de France ets Public de Diffusion filed Critical Telediffusion de France ets Public de Diffusion
Priority to AT82401848T priority Critical patent/ATE19168T1/de
Publication of EP0078185A2 publication Critical patent/EP0078185A2/de
Publication of EP0078185A3 publication Critical patent/EP0078185A3/fr
Application granted granted Critical
Publication of EP0078185B1 publication Critical patent/EP0078185B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/24—Time-division multiplex systems in which the allocation is indicated by an address the different channels being transmitted sequentially
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H04N7/03—Subscription systems therefor

Claims (5)

1. Empfänger für in Form von Paketen gesendete digitale Daten, wobei jedes Datenpaket ein Prefix aufweist, das außer den üblichen Synchronisationssignalen (R1, R2, B) und Kanal-Identifizierungs-Codesignalen (A1, A2, A3) ein die Kontinuität des Pakets anzeigendes Signal (IC) enthält, wobei die Daten jeder Datenkartei in Datengruppen angeordnet sind, die eine Folge von Datenblöcken bilden, wobei jeder Datenblock das Datenfeld eines Pakets bildet, wobei der erste Block jeder Gruppe einen Gruppenkopf enthält, der aus Bytes besteht, die den Typ der Gruppe (TG), die Kontinuitätsanzeige (C) der Gruppe,, die Anzaht der Blöcke der Gruppe, die auf den ersten Block (T1, T2) folgen und die Größe des letzten Blocks der Gruppe (F1, F2) definieren, wobei das Prefix jedes Pakets zusätzlich eine Information (B1) enthält, die anzeigt, ob der Block des Pakets der erste Block einer Gruppe ist oder nicht, wobei der genannte Empfänger einen Demodulator (7), eine Vorrichtung (8) zur Datenerfassung und einen peripherischen Dialog (9) enthält, wobei die Vorrichtung (8) zur Datenerfassung einen Mikroprozessor (56) mit einem Bus (BUS) und einen Programmspeicher (90) enthält, dadurch gekennzeichnet, daß zwischen dem Demodulator (7) und der Vorrichtung (8) zur Datenerfassung eine Verarbeitungsschaltung (55) vorgesehen ist, die einen ersten Teil (58) zur Verarbeitung von Datenpaketen und einen zweiten Teil (59) zur Verarbeitung von Datengruppen enthält.
2. Empfänger nach Anspruch 1, dadurch gekennzeichnet, daß der erste Teil (58) zur Verarbeitung von Paketen eine Eingangsschaltung (CL8) enthält, deren Ausgang mit einem ersten Speicher (MPT) verbunden ist, der jedes ankömmende Paket speichert, daß Zählmittel (C6, R5, CN5, M9) vorgegebener Kapazität für einkommende Bytes vorgesehen sind, deren Ausgang mit dem Sperreingang der Eingangsschaltung (CL8) verbunden ist, daß der erste Datenspeicher (MPT) zwei Ausgänge (S21, S22) besitzt, die entsprechend mit Erkennungsmitteln (R6, CN6, M10, 56) zum Erkennen der die Kontinuität (IC) und die Struktur des Pakets (SP anzeigenden Bytes verbunden sind, daß ein Ausgang, der den Rest des Pakets liefert, mit einem Eingang einer UND-Schaltung (P2) verbunden ist, der zweiter Eingang mit dem Bus, und deren Ausgang mit einem zweiten Datenspeicher (BDC) für die Speicherung eines Datenblocks verbunden ist, dessen Ausgang mit dem die Gruppen verarbeitenden Teil (59) verbunden ist, und daß die genannten Zählmittel und die Erkennungsmittel über den Bus mit dem Mikroprozessor (56) verbunden sing.
3. Empfänger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Teil (59) zur Verarbeitung der Gruppen eine zweite Eingangsschaltung (CL10) enthält, deren Ausgang parallel mit einer Detektorschaltung (R8, CN8, M12) für Gruppentyp-Bytes (TD) und mit einer dritten Eingangsschaltung (CL11) verbunden ist, deren Ausgang mit dem Eingang eines Gruppenkopf-Speichers (MEG) verbunden ist, und daß eine vierte Eingangsschaltung (CL12) vorgesehen ist, deren Ausgang mit einem Datenspeicher (MGD) verbunden ist, dessen Ausgang mit einer Ausgangsschaltung (CL13) verbunden ist, die mit dem Bus verbunden ist, daß die dritte Eingangsschaltung (CL11) einem Byte-Zähler (C8) zugeordnet ist, daß der Gruppenkopf-Speicher (MEG) Ausgänge besitzt, die mit Byte-Anatysierungsmitteln (CN9, CN10, 56) verbunden sind, wobei der Aktivierungseingang der dritten Eingangsschaltung (CL11) mit dem Ausgang der Vergleichsschaltung (R8, CNB, M12) verbunden ist, daß der Ausgang des Zählers (8) mit dem Sperreingang der dritten Eingangsschaltung (CL11) und mit dem Eingang der vierten Eingangsschaltung (CL12) verbunden ist, und daß die Detektorschaltung und die Analysierungsmittel gegebenenfalls über den Bus mit dem Mikroprozessor (56) verbunden sind.
4. Empfänger nach Anspruch 3, dadurch gekennzeichnet, daß zwischen der vierten Eingangsschaltung (CL12) und dem Datenspeicher (MGD) eine Dechiffrierungs-Schaitung CEX, GOC) angeordnet ist, deren Dechiffrierungs-Konstanten über den Bus von der Schnittstelle (57) geliefert werden.
5. Empfänger nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß der Ausgang der Detektorschaltung (R8, CN8, M12) mit einem Aktivierungseingang des Byte-Zählers (C8) über eine Anordnung von Toren (P3, P4) verbunden ist.
EP82401848A 1981-10-15 1982-10-08 Rundfunk-Datenpakete-Empfänger Expired EP0078185B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82401848T ATE19168T1 (de) 1981-10-15 1982-10-08 Rundfunk-datenpakete-empfaenger.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8119789 1981-10-15
FR8119789A FR2514974B1 (fr) 1981-10-15 1981-10-15 Systeme de diffusion de donnees par paquets

Publications (3)

Publication Number Publication Date
EP0078185A2 EP0078185A2 (de) 1983-05-04
EP0078185A3 EP0078185A3 (en) 1983-06-08
EP0078185B1 true EP0078185B1 (de) 1986-04-09

Family

ID=9263253

Family Applications (2)

Application Number Title Priority Date Filing Date
EP82401848A Expired EP0078185B1 (de) 1981-10-15 1982-10-08 Rundfunk-Datenpakete-Empfänger
EP82401847A Expired EP0077712B1 (de) 1981-10-15 1982-10-08 Datenverbreitungssystem mit Paketen

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP82401847A Expired EP0077712B1 (de) 1981-10-15 1982-10-08 Datenverbreitungssystem mit Paketen

Country Status (12)

Country Link
US (1) US4554660A (de)
EP (2) EP0078185B1 (de)
JP (2) JPH0793720B2 (de)
AT (2) ATE19168T1 (de)
AU (2) AU557074B2 (de)
BR (2) BR8206074A (de)
CA (2) CA1201526A (de)
DE (2) DE3270462D1 (de)
ES (2) ES516575A0 (de)
FR (1) FR2514974B1 (de)
MX (2) MX152543A (de)
PT (2) PT75682B (de)

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US5887243A (en) 1981-11-03 1999-03-23 Personalized Media Communications, L.L.C. Signal processing apparatus and methods
US7769344B1 (en) 1981-11-03 2010-08-03 Personalized Media Communications, Llc Signal processing apparatus and methods

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FR2587571B1 (fr) * 1985-09-18 1993-04-30 France Etat Procede et dispositif de transmission de donnees numeriques a reduction des effets de la distorsion intersymbole
FR2594615B1 (fr) * 1986-02-20 1988-06-17 France Etat Dispositif de demultiplexage de paquets d'un signal de radiodiffusion de type mac/paquets
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FR2617358A1 (fr) * 1987-06-29 1988-12-30 Thierry Fayard Systeme de communication utilisant les ondes radio a affichage sur televiseur
JPH02152382A (ja) * 1988-12-02 1990-06-12 Matsushita Electric Ind Co Ltd 文字放送受信装置
US5126343A (en) * 1989-09-11 1992-06-30 G. D. Searle & Co. N-azabicyclo [3.3.0]octane amides of aromatic acids
US5701427A (en) * 1989-09-19 1997-12-23 Digital Equipment Corp. Information transfer arrangement for distributed computer system
EP0437199A2 (de) * 1990-01-12 1991-07-17 Hitachi, Ltd. Kommunikationsterminal mit Speicher
JPH04200082A (ja) * 1990-11-29 1992-07-21 Matsushita Electric Ind Co Ltd 文字放送受信装置
US5390027A (en) * 1990-08-23 1995-02-14 Matsushita Electric Industrial Co., Ltd. Television program recording and reproducing system using program data of text broadcast signal
EP0491068A1 (de) * 1990-12-18 1992-06-24 International Business Machines Corporation Selektiver Datensendungsempfängeradapter für Personalrechner
ATE139400T1 (de) * 1991-02-28 1996-06-15 Rai Radiotelevisione Italiana Verfahren zur nachrichtenübertragung über einen fernsehkanal mit dem teletextsystem
JPH0927805A (ja) * 1995-07-11 1997-01-28 Wakomu Eng:Kk データ通信方法及びその装置

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FR2313825A1 (fr) * 1975-06-06 1976-12-31 Telediffusion Fse Systeme de diffusion de donnees
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Also Published As

Publication number Publication date
JPH0793720B2 (ja) 1995-10-09
BR8206075A (pt) 1983-09-13
EP0077712A1 (de) 1983-04-27
EP0077712B1 (de) 1986-03-12
PT75681B (fr) 1985-01-02
DE3269857D1 (en) 1986-04-17
ATE19168T1 (de) 1986-04-15
JPS58165489A (ja) 1983-09-30
PT75682B (fr) 1985-01-02
JPS58165490A (ja) 1983-09-30
AU561060B2 (en) 1987-04-30
FR2514974A1 (fr) 1983-04-22
ATE18620T1 (de) 1986-03-15
CA1201526A (en) 1986-03-04
BR8206074A (pt) 1983-09-13
AU8939082A (en) 1983-06-16
DE3270462D1 (en) 1986-05-15
US4554660A (en) 1985-11-19
PT75682A (fr) 1982-11-01
ES8500532A1 (es) 1984-10-01
AU557074B2 (en) 1986-12-04
EP0078185A3 (en) 1983-06-08
JPH0767173B2 (ja) 1995-07-19
MX154014A (es) 1987-03-23
MX152543A (es) 1985-08-19
EP0078185A2 (de) 1983-05-04
CA1217833A (en) 1987-02-10
ES516576A0 (es) 1983-11-01
FR2514974B1 (fr) 1986-11-28
ES8400839A1 (es) 1983-11-01
ES516575A0 (es) 1984-10-01
PT75681A (fr) 1982-11-01
AU8939782A (en) 1983-06-16

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